is_specified_output_ofmaterial_entityinstrumentA flow cytometer.Material entity that is designed to have a function and play a role in scientific investigation.PERSON: Melissa HaendelSee OBI listserv discussion for considerations in defining instrument. http://sourceforge.net/tracker/index.php?func=detail&aid=2894801&group_id=177891&atid=886178http://en.wikipedia.org/wiki/Scientific_instrumentinstrumentmaterial processingmetadata complete